Cummins ISB 6.7 Valve Cover Riser Base / Rocker Box PN# 3975944

CUMMINS ISB QSB 5.9-6.7 ENGINE VALVE COVER RISE PLATE ROCKER HOUSING 3975944 OEM

Cummins ISB 6.7 Valve Cover Riser Rocker Plate 3975944 OEM

Cummins OEM 5.9 6.7 Rocker Housing 3975944

OEM CUMMINS Engine Valve Cover Spacer Plate 2012 ISB 6.7L Diesel 3975944

Cummins ISB-QSB 5.9-6.7 Engine Valve Cover Rocker Lower Housing 3975944 OEM

Cummins ISB QSB 6.7L Diesel Engine Valve Cover Rocker Lower Housing 3975944 OEM